Start on your hands and knees, shoulders directly over wrists and hips directly over knees. Brace your core as you lower your elbows to the ground.
Lift up off your knees and onto your toes to come into the plank position, resting most of your weight on your elbows and forearms. Your shoulders should be over your elbows and your heels over your toes. Keep your back flat and pull your core in toward your spine to keep yourself up and prevent your butt from sticking up.